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path: root/drivers/mmc/host/mxs-mmc.c
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Diffstat (limited to 'drivers/mmc/host/mxs-mmc.c')
-rw-r--r--drivers/mmc/host/mxs-mmc.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index 44ecebd1ea8c..add1e70195ea 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -153,7 +153,11 @@ static void mxs_mmc_request_done(struct mxs_mmc_host *host)
}
}
- if (data) {
+ if (cmd == mrq->sbc) {
+ /* Finished CMD23, now send actual command. */
+ mxs_mmc_start_cmd(host, mrq->cmd);
+ return;
+ } else if (data) {
dma_unmap_sg(mmc_dev(host->mmc), data->sg,
data->sg_len, ssp->dma_dir);
/*
@@ -166,7 +170,7 @@ static void mxs_mmc_request_done(struct mxs_mmc_host *host)
data->bytes_xfered = 0;
host->data = NULL;
- if (mrq->stop) {
+ if (data->stop && (data->error || !mrq->sbc)) {
mxs_mmc_start_cmd(host, mrq->stop);
return;
}
@@ -309,6 +313,9 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host)
cmd0 = BF_SSP(cmd->opcode, CMD0_CMD);
cmd1 = cmd->arg;
+ if (cmd->opcode == MMC_STOP_TRANSMISSION)
+ cmd0 |= BM_SSP_CMD0_APPEND_8CYC;
+
if (host->sdio_irq_en) {
ctrl0 |= BM_SSP_CTRL0_SDIO_IRQ_CHECK;
cmd0 |= BM_SSP_CMD0_CONT_CLKING_EN | BM_SSP_CMD0_SLOW_CLKING_EN;
@@ -417,8 +424,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
ssp->base + HW_SSP_BLOCK_SIZE);
}
- if ((cmd->opcode == MMC_STOP_TRANSMISSION) ||
- (cmd->opcode == SD_IO_RW_EXTENDED))
+ if (cmd->opcode == SD_IO_RW_EXTENDED)
cmd0 |= BM_SSP_CMD0_APPEND_8CYC;
cmd1 = cmd->arg;
@@ -493,7 +499,11 @@ static void mxs_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
WARN_ON(host->mrq != NULL);
host->mrq = mrq;
- mxs_mmc_start_cmd(host, mrq->cmd);
+
+ if (mrq->sbc)
+ mxs_mmc_start_cmd(host, mrq->sbc);
+ else
+ mxs_mmc_start_cmd(host, mrq->cmd);
}
static void mxs_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
@@ -640,7 +650,7 @@ static int mxs_mmc_probe(struct platform_device *pdev)
/* set mmc core parameters */
mmc->ops = &mxs_mmc_ops;
mmc->caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED |
- MMC_CAP_SDIO_IRQ | MMC_CAP_NEEDS_POLL;
+ MMC_CAP_SDIO_IRQ | MMC_CAP_NEEDS_POLL | MMC_CAP_CMD23;
host->broken_cd = of_property_read_bool(np, "broken-cd");